Musical tone controller



FIG. 1 is a front elevational view of a musical tone controller showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a right-side view thereof; and,

FIG. 6 is a cross-sectional view taken along line 6--6 of FIG. 1. 

The ornamental design for musical tone controller, as shown. 